Research Engineer, Agentic Systems

Mirage
New York
Workplace: OnsiteFull timeUSD 175,000 - 275,000 annuallyFunction: Research & Scientific (R&D)Education: phdSkills: ["Experimental rigor","Good taste"]

Build and extend agentic systems for multimodal creative tasks, with a focus on video. Design end-to-end agents that improve reasoning and control, develop training and adaptation methods for large language models, and create objectives, datasets, and fine-tuning strategies for reliable behavior. Run systematic experiments, design evaluation frameworks, and analyze failure modes across planning, tool use, and execution to iteratively improve real-world performance.

Loading

Loading job details...

Preparing the role view and application actions.

FursaFursa
Mirage
Mirage
4 days ago

Research Engineer, Agentic Systems

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 21 hours agoStatus: Live

Job Summary

Build and extend agentic systems for multimodal creative tasks, with a focus on video. Design end-to-end agents that improve reasoning and control, develop training and adaptation methods for large language models, and create objectives, datasets, and fine-tuning strategies for reliable behavior. Run systematic experiments, design evaluation frameworks, and analyze failure modes across planning, tool use, and execution to iteratively improve real-world performance.
Location: New York
Workplace: Onsite
Employment Type: Full time
Job Function: Research & Scientific (R&D)

Key Responsibilities

  • •Design and build end-to-end agentic systems for creative tasks.
  • •Develop novel approaches for training and adapting large language models that power these agents.
  • •Design objectives, datasets, and fine-tuning strategies to improve agent behavior and reliability.
  • •Explore multimodal reasoning and structured generation for creative control.
  • •Run systematic experiments and build evaluation frameworks to improve agent performance; analyze failure modes across the full agent loop.

Pay and Benefits

Salary: USD 175,000 - 275,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceDentalVision401kCommuter BenefitsMeal AllowanceGrubhub SubscriptionPaid Leave

Key Requirements

  • •BS/MS/PhD in CS, ML, or related field.
  • •Strong track record building production ML systems or agentic pipelines.
  • •Deep understanding of transformers and modern LLM techniques.
  • •Experience with fine-tuning, alignment, or post-training methods for structured outputs and tool use.
  • •Comfort owning the full stack, from model-level experiments to deployed agent systems.
Experience:Generative mediaAgentic systemsMultimodal video
Education:PhD / Doctorate in CS
Skills:Experimental rigorGood taste
Tech Stack:TransformersLLMsLarge language modelsMultimodal reasoning

Company Brief

Mirage
Mirage (formerly Captions) builds foundation models and products to generate and edit short-form social video using generative AI, offering consumer app Captions and an enterprise Mirage Studio for AI-generated marketing videos.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Funding: Series C
Headquarters: New York, United States
Founded: 2021
Glassdoor
Glassdoor: 4.0
WebsiteLinkedInGlassdoor